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Heat-shrinkable busbar insulation tubing. Busbar heat-shrinkable tubing are suitable for use on long runs of rectangular or round busbars. The tubing shrinks down to 40% of their original diameter and, due to excellent flexibility, conform tightly to a wide range of sizes. BBIT/BPTM tubing can be slid easily into place, even around several bends and awkward shapes. The wall thickness is controlled by heat-shrink process. Available for over fifteen sizes of busbars from 5 mm to over 250 mm, BPTM/RBPM is suitable for applications up to 24 kV. BBIT is suitable for applications up to and over 36 kV.
- Insulation enhancement and protection against flashover and accidentally induced discharge
- Excellent flexibility enables installation on wide range of curved or bent busbars without cracking or creasing
- Exceptional insulation and long-term reliability even at high continuous operating temperatures
- Non-Halogen based material
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Specifications
BBIT
BBIT should normally be used on the following busbar sizes
Product selection
| Product size | Rectangular bars L + T (mm) | Round bars D (mm) | ||
|---|---|---|---|---|
| min. | max. | min. | max. | |
| BBIT 25/10 | 17 | 28 | 11 | 20 |
| BBIT 40/16 | 28 | 45 | 18 | 32 |
| BBIT 65/25 | 44 | 69 | 28 | 47 |
| BBIT 100/40 | 6 | 102 | 44 | 72 |
| BBIT 150/60 | 102 | 148 | 65 | 105 |
| BBIT 175/80 | 133 | 196 | 85 | 125 |
Ordering information
| Ordering description | Inside diameter (mm) | Wall thickness (mm) | UOM: roll | |||
|---|---|---|---|---|---|---|
| H min. |
h max. |
W nom. |
w min. |
length (m) |
||
| BBIT-25/10-A/U-4 25 | 10 | 1.6 | 3.6 | 25 | ||
| BBIT-40/16-A/U-4 40 | 16 | 1.6 | 3.6 | 20 | ||
| BBIT-65/25-A/U-4 65 | 25 | 1.6 | 3.6 | 15 | ||
| BBIT-100/40-A/U-4 | 100 | 40 | 1.6 | 3.6 | 15 | |
| BBIT-150/60-A/U-4 | 150 | 60 | 1.6 | 3.6 | 15 | |
| BBIT-175/80-A/U-4 | 175 | 80 | 1.6 | 3.6 | 10 | |
BPTM / RBPM
BPTM should normally be used on the following busbar sizes
Product selection
| Product size | Rectangular bars L + T (mm) | Round bars D (mm) | ||
|---|---|---|---|---|
| min. | max. | min. | max. | |
| BPTM 15/6 | 12 | 18 | 6.5 | 12 |
| BPTM 30/12 | 22 | 38 | 13.5 | 25 |
| BPTM 50/20 | 36 | 65 | 22 | 43 |
| BPTM 75/30 | 55 | 95 | 33 | 63 |
| BPTM 100/40 | 70 | 130 | 44 | 86 |
| BPTM 120/50 | 90 | 165 | 55 | 105 |
| BPTM 175/70 | 125 | 235 | 80 | 150 |
| BPTM 205/110 | 200 | 276 | 127 | 190 |
| BPTM 235/130 | 235 | 315 | 150 | 220 |
Ordering information
| Ordering description | Inside diameter (mm) | Wall thickness (mm) | UOM: roll | |||
|---|---|---|---|---|---|---|
| H min. |
h max. |
W nom. |
w min. |
length (m) |
||
| BPTM-15/6-A/U-4 | 15 | 6 | 1.1 | 1.90 | 30 | |
| BPTM-30/12-A/U-4 | 30 | 12 | 1.1 | 2.20 | 30 | |
| BPTM-50/20-A/U-4 | 50 | 20 | 1.1 | 2.35 | 30 | |
| BPTM-75/30-A/U-4 | 75 | 30 | 1.1 | 2.35 | 20 | |
| BPTM-100/40-A/U-4 | 100 | 40 | 1.1 | 2.35 | 25 | |
| BPTM-120/50-A/U-4 | 120 | 50 | 1.3 | 2.80 | 25 | |
| BPTM-175/70-A/U-4 | 175 | 70 | 1.3 | 2.80 | 15 | |
| BPTM-205/110-A/U-4 | 205 | 110 | 1.3 | 2.80 | 10 | |
| BPTM-235/130-A/U-4 | 235 | 130 | 1.5 | 3.10 | 20 | |
Technical Information
|
Key product specifications |
Test method |
Requirement |
|---|---|---|
|
Thermal endurance |
IEC 216 |
105 °C min. |
|
Accelerated ageing
|
ISO 188, ASTM D2671 |
168 hrs @ 120 °C 10 MPa min. 300% min. |
|
Comparative tracking index |
IEC 112, VDE 0303/1 |
KA 3c |
|
Dielectric strength |
ASTM D149, IEC 243 |
180 kV/cm min. @ 2 mm 150 kV/cm min. @ 2.5 mm 120 kV/cm min. @ 3 mm |
|
Smoke index |
NES 711 |
Less than 120 |
|
Acid gas generation |
Raychem PPS 3010 4.23 |
Less than 1% by weight |
|
Low temperature flexibility |
ASTM D2671 Procedure C |
No cracking after 4 hrs @ -40 °C |
|
Flammability |
ANSI C37.20/IEEE-27 |
No flame conveyance, 60 sec. max. |
|
Tracking and Erosion Resistance |
ASTM D2303 |
No tracking, erosion to top surface or flame failure after 1 hr. at 2.5kV, after 1 hr. at 2.75kV, 1% max. |
Certifications
CPRI
More info available on request
ERDA
More info available on request
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